#ifndef CONCURRENCPP_RANDOM_H
#define CONCURRENCPP_RANDOM_H

#include <random>

namespace concurrencpp::tests {
    class random {

       private:
        std::random_device rd;
        std::mt19937 mt;
        std::uniform_int_distribution<intptr_t> dist;

       public:
        random() noexcept : mt(rd()), dist(-1'000'000, 1'000'000) {}

        intptr_t operator()() {
            return dist(mt);
        }

        int64_t operator()(int64_t min, int64_t max) {
            const auto r = (*this)();
            const auto upper_limit = max - min + 1;
            return std::abs(r) % upper_limit + min;
        }
    };
}  // namespace concurrencpp::tests

#endif  // CONCURRENCPP_RANDOM_H